15500511

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 25766400

約数和(自身を除く): 10265889

約数列:

[1, 3, 9, 13, 27, 39, 43, 79, 117, 129, 169, 237, 351, 387, 507, 559, 711, 1027, 1161, 1521, 1677, 2133, 3081, 3397, 4563, 5031, 7267, 9243, 10191, 13351, 15093, 21801, 27729, 30573, 40053, 44161, 65403, 91719, 120159, 132483, 196209, 360477, 397449, 574093, 1192347, 1722279, 5166837, 15500511]

約数ペア:

[(1, 15500511), (3, 5166837), (9, 1722279), (13, 1192347), (27, 574093), (39, 397449), (43, 360477), (79, 196209), (117, 132483), (129, 120159), (169, 91719), (237, 65403), (351, 44161), (387, 40053), (507, 30573), (559, 27729), (711, 21801), (1027, 15093), (1161, 13351), (1521, 10191), (1677, 9243), (2133, 7267), (3081, 5031), (3397, 4563)]